It’s sad when an enterprise fails. Each one represents someone’s hopes and ambitions. Some are poorly thought out, some cynical cash grabs, but many startups represent people’s well-intentioned efforts to provide for themselves and their loved ones. Every failure is someone’s dashed dream. As sad as this is, it’s good that bad firms and bad products fail. It would be better if every idea were good and every undertaking created value. That’s not going to happen on this side of...